Home / 39,266.19-54,188.22-21,362.16

Finding the Fourth Proportional to 39,266.19, 54,188.22 and 21,362.16

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Solution

The fourth proportional to 39,266.19, 54,188.22 and 21,362.16 is: 29,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,266.19 : 54,188.22 = 21,362.16 : x
  2. Step 2: Convert to fraction form
    39,266.19/54,188.22 = 21,362.16/x
  3. Step 3: Cross multiply
    39,266.19x = 54,188.22 × 21,362.16
  4. Step 4: Simplify right side
    39,266.19x = 1,157,577,425.76
  5. Step 5: Solve for x
    x = 1,157,577,425.76/39,266.19
  6. Step 6: Final answer
    x = 29,480.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.